Seiko Cal. 4577 - 646

The Seiko 4577-646 represents an important milestone in Seiko's 1967 lineup. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-3a940adf11b9]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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